LEXINGTON, Mass.--(BUSINESS WIRE)--Synageva BioPharma Corp. (“Synageva”) (NASDAQ:GEVA), a clinical stage biopharmaceutical company developing therapeutic products for rare diseases, today announced six month results from an ongoing extension study of sebelipase alfa in adults with late onset Lysosomal Acid Lipase (LAL) Deficiency at the American Association for the Study of Liver Diseases (AASLD) annual meeting being held in Boston, MA, November 9-13, 2012.